::selection{
	background-color: #000;
	color: #fff;
}

html{
  scroll-behavior: smooth;
}

html, body {
  height: 100%;
  margin: 0;
}

.wrapper{
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1; /* empurra o footer para o fundo */
}